2338 	if (buf->dtb_offset == 0) {  in dtrace_aggregate()
2466 	offs = buf->dtb_offset;  in dtrace_aggregate()
2486 	buf->dtb_offset = offs + fsize;  in dtrace_aggregate()
2632 			ASSERT(src->dtb_offset == 0);  in dtrace_speculation_commit()
2647 			if (src->dtb_offset != 0) {  in dtrace_speculation_commit()
2668 	if ((offs = dtrace_buffer_reserve(dest, src->dtb_offset,  in dtrace_speculation_commit()
2683 	slimit = saddr + src->dtb_offset;  in dtrace_speculation_commit()
2711 	dlimit = daddr + src->dtb_offset;  in dtrace_speculation_commit()
2733 	dest->dtb_offset = offs + src->dtb_offset;  in dtrace_speculation_commit()
2748 	src->dtb_offset = 0;  in dtrace_speculation_commit()
2794 			if (buf->dtb_offset != 0) {  in dtrace_speculation_discard()
2807 	buf->dtb_offset = 0;  in dtrace_speculation_discard()
2841 			src->dtb_offset = 0;  in dtrace_speculation_clean_here()
2848 		if (src->dtb_offset == 0)  in dtrace_speculation_clean_here()
2950 			ASSERT(buf->dtb_offset == 0);  in dtrace_speculation_buffer()
2962 			if (buf->dtb_offset != 0)  in dtrace_speculation_buffer()
7099 					buf->dtb_offset = offs + ecb->dte_size;  in dtrace_probe()
7281 			buf->dtb_offset = offs + ecb->dte_size;  in dtrace_probe()
11279 	buf->dtb_xamot_offset = buf->dtb_offset;  in dtrace_buffer_switch()
11282 	buf->dtb_offset = 0;  in dtrace_buffer_switch()
11361 		buf->dtb_offset = 0;  in dtrace_buffer_alloc()
11430 	intptr_t offs = buf->dtb_offset, soffs;  in dtrace_buffer_reserve()
11602 					buf->dtb_offset = 0;  in dtrace_buffer_reserve()
11693 	if (buf->dtb_offset < buf->dtb_xamot_offset) {  in dtrace_buffer_polish()
11694 		bzero(buf->dtb_tomax + buf->dtb_offset,  in dtrace_buffer_polish()
11695 		    buf->dtb_xamot_offset - buf->dtb_offset);  in dtrace_buffer_polish()
11698 	if (buf->dtb_offset > buf->dtb_xamot_offset) {  in dtrace_buffer_polish()
11699 		bzero(buf->dtb_tomax + buf->dtb_offset,  in dtrace_buffer_polish()
11700 		    buf->dtb_size - buf->dtb_offset);  in dtrace_buffer_polish()
11725 		if (!buf->dtb_switched && buf->dtb_offset != 0)  in dtrace_buffer_consumed()
16595 			size_t sz = buf->dtb_offset;  in dtrace_ioctl()